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5
votes
1answer
140 views

Pin Connector 62462 vs 75535

I wonder what is the purpose of the slot in the 62462 pin connector? What can it be used for, beside from help with part separation? Part 62462 (2005-present) is newer than 75535 (1995-2008), but the ...
11
votes
1answer
9k views

How can I motorize 42077 Technic Rally Car with LEGO Power Functions?

The new 42077 Technic Rally Car set looks really nice, and even has a built-in steering system which can be controlled by a gear on the top. There's also a fair bit of extra room inside, is there a ...
3
votes
2answers
139 views

Need help identifying these 7 lego pieces!

I need help identifying these 7 pieces. Please assist! What I tried so far is logically trying to figure out their categories, but unfortunately I couldn't find them, or there were hundreds/thousands ...
21
votes
10answers
12k views

How can I efficiently pick up bricks off the floor?

My floor is covered in bricks. My bare feet can't take much more abuse. Is there a way of collecting up the bricks easily, or should I just get on my knees and start scooping them up with my hands?
1
vote
2answers
50 views

Can the Powered Up Remote (latest train version) pair with the Boost Move Hub?

I've got the latest Powered Up remote, I was hoping it would pair with the Move Hub instead of using the Boost App. At the moment it doesn't want to pair.
14
votes
2answers
7k views

Export Lego Mindstorms Code

I was wondering if it was possible in any way to see the actual code that is generated by the Lego Mindstorms IDE. I know there isn't a direct 'export to code' option within the tool but I wondered ...
3
votes
2answers
127 views

NXT Sensors not working

I'm looking for advice. I pulled my Mindstorms 8547 kit out of storage and started to play with it after several years of inactivity. I found that the Color Sensor, the Ultra Sonic Sensor, and the ...
3
votes
1answer
113 views

Identify which set these parts are from

Help identify if these parts belong to a set.It was donated to us and it would be great if we could use instructionsto build
1
vote
1answer
81 views

How do the 61927 actuators work in MK II crane set (42009)?

I don't own a 42009 set (MK II crane). But I have modelled it in LDCad in order to understand how the set works. There is something I don't understand related to the actuators - as I don't have two ...
0
votes
0answers
14 views

changing ev3p file back into an ev3 project file

how do I change an ev3p file into an ev3 project file. Everytime that I click on the ev3p file to open it, it turns up as text in notepad.
2
votes
1answer
81 views

How do I run the Lego Technic V6 engine using a Lego electric motor?

I am not into Lego, don't know anything about it, so I will try to be as specific as possible. My goal is to spin the Lego Technic V6 engine (preferably at some realistic RPM's like thousands). ...
4
votes
1answer
587 views

Why are there some extra letters on lego Car License Plates?

Most of the car in Lego City have a sticker license plate. The number on a license plate is corresponding to the Lego Set number. But what about these extra letter there? Is it just to add more ...
7
votes
2answers
185 views

What is this grey LEGO light and sound element with neon green attachments?

I consider my self to be somewhat of a LEGO collector, and have amassed quite a collection over the years. Recently, while looking through a few of my boxes I found this thing: I got this years ago ...
12
votes
2answers
966 views

General guidelines to identify real LEGO pieces from fake or copy?

I see a lot of questions here about if a certain piece is really LEGO or not and this made me wonder if there is any guideline to follow to identify real LEGO piece from the duplicate or fake one? I ...
5
votes
2answers
138 views

Sorting uncertainty - are these LEGO?

I bought a bulk box of LEGO and about 10% were mega blocks. I am unsure of these pieces. They seem to match in color
4
votes
0answers
117 views

How to build an arch that is angled out of Lego?

I am currently working on a MOC for the USS Orville and I am trying to figure out the engines. I have gone through a couple of iterations on my current version, but it always buckles under its own ...
4
votes
1answer
38 views

Can video files created using the LEGO Movie Maker app be accessed directly?

I recently created a video with my son using the LEGO Movie Maker app. I couldn't find a way to export the raw video files out of the app. Is this possible?
3
votes
3answers
139 views

Rare Lego Mursten box. Where can I sell it and what would I ask?

Found this box in a rural vintage shop in northern Sweden. I’ve come to understand these were among the first boxes of Lego sold, for the Scandinavian market. This particular one seems to be for the ...
3
votes
1answer
92 views

Please help me identify this yellow part with four arms and an axle hole

This is part of a set (that's in a bag of partially built pieces) that I'm trying to identify. This seems like a unique part, and if I can identify the part, then maybe I can cross-reference it to the ...
10
votes
2answers
14k views

How should I arrange LEGO to sell per pound?

I've dug up my LEGO collection, and I'm looking to sell it on Ebay or BrinkLink. All of my sets are mixed in containers. I still have the instructions but no original boxes. I considered sorting the ...
1
vote
1answer
82 views

Difference between The Lego Group and Lego Systems A/S

I am not sure what LEGO is called currently. Is it still The Lego Group or is it Lego Systems A/S or is it both? What is the difference between them?
4
votes
2answers
1k views

How can I remove old LEGO bricks that are stuck together?

Brought my childhood LEGO sets from 1970's and 80's for my kids. The pieces attach much tighter together than sets purchased recently. Can something be done to loosen the attachment without damaging ...
1
vote
0answers
70 views

What ist this black 2x2 drivers torso? part without head, where/which set is it from? FOUND IT

FOUND IT its LegoBrick, Modified 2 x 2 Racer Driver No Head Item No: x351 how can i delete the Post? I found this Black 2x2 Piece which looks like a drivers torso but have no idea where it comes ...
4
votes
1answer
709 views

How to upload an XML file to wishlist in bricklink

I am trying to upload an XML file with my brick wishlist to BrickLink. However, even if I follow the instructions on the webpage, it never seems to find the product in the catalogue. If I manually ...
3
votes
3answers
293 views

Could not open serial port or USB device

I am trying to use my old RCX 2.0 set on Linux (Xubuntu). The problem is that when I try to download the (official) firmware into the RCX via the command: nqc -Susb:/dev/usb/legousbtower1 -firmware ./...
1
vote
1answer
104 views

What is the appropriate way to request a creator to add more of their designs to mochub?

There are some brilliant LEGO creators with many designs on YouTube out there who choose to remain anonymous- who put some of their designs on mochub but not others. (In particular ones relating to ...
2
votes
1answer
39 views

Does Powered Up provide a rechargable battery box?

The older Power Functions electrical system includes the option to purchase a lithium ion rechargeable battery box. Is something like this available for the newer Powered Up system?
4
votes
2answers
404 views

LEGO Technic Interface A

A few days ago, a friend offered me one set 9750 LEGO Technic Interface A with the Interface Card and Cable (IBM compatible) but without software. Can someone share the installation software (LEGO ...
2
votes
1answer
391 views

How can I use the Flex Tool easily on LDD?

On LEGO Digital Design, I find it very hard to move the piece being flexed to the correct position. Are there any tips or musts that I should try to help me flex it into clips etc.?
5
votes
2answers
109 views

Are the different LEGO Xtra play mats designed to be used together?

It appears that the LEGO Xtra play mats come in three different varieties: It is clear that these are physically compatible, but are these intended to be used together, or are the three locales ...
3
votes
1answer
354 views

Lego Boost Variable setting

I try to program a steering for a Logo Boost Model. Motor B spins a certain angle and the steering works. To get it running the model - the app - needs to know the current position of the wheels in ...
1
vote
0answers
17 views

create/edit subvi's in ev3- g (labview) developer mode

How can i create/edit subVIs in the ev3-g developer mode? I can open ev3-g blocks in the "LabVIEW" mode and Display subVI Details, but not edit or create subVIs itself. Any idea how to do this?
4
votes
1answer
341 views

How do I connect a LEGO wheel to axles so it can be powered?

I have a growing LEGO collection, which started with a lot of parts from the generic 10697-1 'LEGO Classic Large Creative Box' set. Sometime later, I bought a bunch of wheels, part numbers being: ...
4
votes
1answer
341 views

Metal Spring for LEGO MOC Simple Suspension

What is the most appropriate dimension (e.g. 20mm x 3.33mm, 5N/mm) of the metal spring for this LEGO MOC Simple Suspension so that it will not cause damage to the LEGO part surrounding it?
0
votes
1answer
32 views

Is there a way to restart a program with EV3?

I've got a program with a code lock, and I would like the program to restart when you enter the incorrect code. Does anyone know of a way to do that?
8
votes
1answer
242 views

How can body segments be moved to precise angles in snake robot?

I want to create an EV3 robot similar to this: I've glanced at the mentioned papers. To me it seems that some simpler equations to govern the motors will work also. I have 9 segments, articulated by ...
3
votes
2answers
1k views

Does the value of LEGO increase over a period of time?

I have a couple of exclusive LEGO sets such as the 50th Anniversary set, 10184 Town Plan, as well as the LEGO Harry Potter 10217 Diagon Alley set. I was wondering if these will increase in value into ...
22
votes
5answers
9k views

Why do some minifigs have yellow heads and some are flesh colored?

When did the flesh colors start and why? It seems yellow heads are here to stay too?
4
votes
1answer
113 views

LEGO 42095 wheels going opposite directions

My son just finished the 42095 Remote-Controlled Stunt Racer and the two wheels go in opposite directions. Have checked and rebuilt and still can’t get it running in the same direction. Can anyone ...
2
votes
2answers
15k views

Code for PID for EV3-g

I want to use PID for my Ev3. I used PID for NXT-G before, but I have never used EV3-G before and don't know how to get PID. Could someone please post a screen shot of the code or upload the file?
3
votes
1answer
89 views

How to debug gears in the Bucket Wheel Excavator?

My 8 year old is just finishing the Bucket Wheel Excavator. He turned the motor on and there is a significant clicking noise. It looks as though the top gear noted in the picture gets stuck. Not sure ...
0
votes
1answer
89 views

Run Code From PC

https://www.ev3dev.org/projects/2014/05/09/Python-Rubiks-Cube-Solver/ The other one gives a solution in around 20 steps, but takes around 500 MB of memory, so I need to run it on a computer How do I ...
5
votes
1answer
165 views

What is the Airport Shuttle logo meant to symbolize?

The Airport Shuttle set features what is apparently supposed to be a logo of the Airport Shuttle monorail system, both on the train itself and prominently on top of the city stop (and possibly in more ...
4
votes
1answer
107 views

I'd like to build a mechanism to press buttons on a remote control. What is a good basic approach to use?

I have a small remote control like device with about 11 buttons. The centers of each button are placed about 1.1cm apart, and each are about 0.7cm in diameter (this means about 0.4cm between the edges)...
1
vote
1answer
85 views

Bionicle identification

I bought this series of 4 lovely small monsters/gods at a garage sale. Body, arms, legs and hands are made of Technic studless. Help me to identify: if they are part of an official set of The LEGO ...
3
votes
1answer
70 views

How are the Star Wars Action Battle effects implemented?

I've seen the recent Action Battle sets in the Star Wars theme. Here's one example: How do these sets work? Are there special elements unique to these sets that implement the cannons and breaking ...
18
votes
1answer
6k views

Is there a freely downloadable LEGO set and part dataset?

I'm working on a project that will require a list of all sets including all of the parts they contain. I'm aware of at least three sites which have this information (Peeron, BrickLink, and Rebrickable)...
10
votes
1answer
165 views

What is the purpose of the discontinuity in the DUPLO train bridge rack?

DUPLO bridge elements include racks to allow the powered trains to be able to make the climb. An example of this is element 35138: I noticed that the gear rack on this element is not continuous at ...
4
votes
2answers
408 views

Are there additional motors and/or sensors that can be used to extend LEGO Boost?

What extra motors and sensors can be bought to extend the LEGO Boost (17101) set? I have heard the WeDo motors have the same connector but not if they are compatible with the Boost hub. Are they ...
4
votes
1answer
92 views

How to mirror an EV3 motor?

I want to get one EV3 large motor to copy the other. So if I move one half a rotation the other copies.

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